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After checking the character fonts, respond to the prompt:
Is the display correct (Y/N)?
If the characters match the illustration, press Y and Enter. If you
find a problem with the characters on the screen, press N and then
Enter to display the error message.
Video Check
To check the video output of your monochrome adapter, press 4
and Enter.
This check displays two different screens, black and intensified
white. First you see the black screen; press any key to display the
intensified white screen. Then press any key to end this check.
You can use this display to adjust the size of the display on the
screen. The vertical and horizontal adjustments are located on your
monitor.
Sync Check
This test is provided for service purposes only. If you accidentally
select this option, press any key to end the test.
Run All Above Checks
To run all the tests on the menu in sequence, press 6 and Enter.
When you choose this option, all checks for the monochrome
adapter and CRT are performed automatically in sequence.
Although you do not start each test, you must still supply the
appropriate responses to progress from one test to the next. Press
any key to return to the menu.
D-10
Performing System Diagnostics